New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

Engine

25001 products
Powersport Superstore is your go-to source for Engine and related parts. Shop our unbeatable selection of Engine with top-tier service, fast shipping, and great prices.
9% Off
Pro-X 23.CBS23086 Crankshaft Bearing and Seal Kit
$67.90
$67.90
$74.93
Manufactured by the leading OEM factories. Made to exact OEM specifications to offer maximum performance and durability. Complete bearing and seal kit per application for easy replacement. Can be u...
2% Off
Pro-X 34.6340 Complete Gasket Kit
$92.86
$92.86
$94.95
Precision engineering and the use of first class materials guarantee that they meet or exceed O.E. standards.Vehicle Fitment:1990-2003 KTM 300 EXC
11% Off
Pro-X 01.2419.A Piston Kit - Standard Bore 91.95mm, 12.5:1 Compression
$165.99
$165.99
$185.95
Nikasil Piston Size. Forged Piston. Excellent economic alternative when you are looking for an OEM quality replacement piston. Mainly manufactured in Japan by reputable Original Equipment Manufact...
Pro-X 16.S33012 Clutch Steel Plate Set
$48.21
$48.21
ProX clutch steel plates are manufactured by the leading OEM factories, mainly in Japan. Steel plates offer longevity, durability and feel of the OEM. Complete steel plate sets per application for ...
5% Off
Pro-X 31.1655 Cam Chain
$75.78
$75.78
$79.95
Manufactured in Japan by Borg Warner. Designed to OEM specifications. Strong M-Type chain which has special heat treated pin plus advanced pin and link connections for maximum performance and durab...
11% Off
Wiseco BK5063 Crankshaft Bearing Kit
$66.99
$66.99
$74.95
Wiseco main bearings are manufactured by many of the same suppliers to the OEMs, including leading Japanese manufacturers, and are inspected for accuracy, function, and cleanliness for efficient an...
10% Off
Pro-X 31.1223 Cam Chain
$53.99
$53.99
$60.08
Manufactured in Japan by Borg Warner. Designed to OEM specifications. Strong M-Type chain which has special heat treated pin plus advanced pin and link connections for maximum performance and durab...
10% Off
Wiseco 514M04800 Piston Kit - Standard Bore 47.95mm
$120.99
$120.99
$134.95
Bore: 47.95mm Compression: Standard Compression Sizing: Standard BoreSPECIFICATIONS. Displacement: 82cc. Bore - Standard: 48.00mm. Bore - Actual: 48.00mm. Bore - Oversize: STD. Stroke: 45.8mm. Note...
11% Off
Wiseco 727M04100 Piston Kit - 1.00mm Oversize to 41.95mm
$98.99
$98.99
$111.75
Bore: 41.95mm Compression: Compression Not Available Sizing: 1.00mm OversizeSPECIFICATIONS. Displacement: 50cc. Bore - Standard: 40.00mm. Bore - Actual: 41.00mm. Bore - Oversize: 1.00mm. Stroke: 39...
10% Off
Wiseco W5746 Top End Gasket Kit
$53.99
$53.99
$59.95
Top End Gasket Kit. Includes head, base and exhaust gasket.Vehicle Fitment:2005-2013 Yamaha YFM350 Raptor 1989-1999 Yamaha YFM350FW Big Bear 4x4 1987-2004 Yamaha YFM350X Warrior
15% Off
Wiseco PK1281 Top End Kit - Standard Bore 52.50mm
$152.97
$152.97
$179.95
Bore: 52.50mm Sizing: Standard BoreSPECIFICATIONS. Displacement: 99cc. Bore - Standard: 52.5mm. Bore - Actual: 52.50mm. Bore - Oversize: STD. Stroke: 45.8mm. ITEM CONTENTS. 2067CD - 52.50 mm Ring S...
12% Off
Wiseco 595M05400 Piston Kit - Standard Bore 53.94mm
$138.99
$138.99
$157.28
Bore: 53.94mm Compression: Compression Not Available Sizing: Standard BoreSPECIFICATIONS. Displacement: 125cc. Bore - Standard: 54.00mm. Bore - Actual: 54.00mm. Bore - Oversize: STD. Stroke: 54.5mm...
Wiseco W6117 Clutch Cover Gasket
$17.71
$17.71
These Wiseco clutch cover gaskets are designed to keep your motorcycle or ATV in peak condition or improve its ride and your enjoyment of the ride. They are manufactured from premium-grade material...
9% Off
Wiseco WB1051 Bottom End Gasket Kit
$58.96
$58.96
$64.95
Each kit contains everything you need to complete your rebuild the right way, the first time- crankshaft and connecting rod, all applicable bearings, and complete bottom end gasket kit made to meet...
11% Off
Wiseco W6650 Top End Gasket Kit
$66.99
$66.99
$74.95
Gasket Kit fits 2012. Top End Gasket Kit. Includes head, base and exhaust gasket.Vehicle Fitment:2012 Kawasaki KX450F
Wiseco W6136 Top End Gasket Kit
$28.45
$28.45
Top End Gasket Kit. Includes head, base and exhaust gasket.Vehicle Fitment:1992-2002 Honda CR80R 2003-2007 Honda CR85R
11% Off
Wiseco CC029 Cam Chain
$86.53
$86.53
$96.94
Maximum strength and durability. Expert engineering to exceed OEM specifications and tolerances. Premium materials reduce friction and increase service life. M style for maximum strength and durabi...
10% Off
Wiseco CPK049 Clutch Pack Kit
$161.99
$161.99
$179.95
Clutch Pack Kits contain everything you need to upgrade your worn out clutch plates and springs - each kit comes with new frictions, steels, and clutch springs, all made from premium grade material...
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle